"Deviner avant de démontrer! Ai-je besoin de rappeler que c’est ainsi que se sont faites toutes les découverte importantes. Guessing before proving! Need I remind you that it is so that all important discoveries have been made?

“It may happen that small differences in the initial conditions produce very great ones in the final phenomena. A small error in the former will produce an enormous error in the future. Prediction becomes impossible”. Edward Lorenz